Tiffany’s Griffon Celia Jacobs Travel back to prehistoric times

Travel back to prehistoric times and meet some of the most impressive creatures to ever roam the Earth

Caught in a whirl of rumors and a rift with her twin

Ever since their mom lost her job

there's a great way to get rid of them too

But how can a 13-year-old girl have the Call

Tiffany’s Griffon Celia Jacobs Travel back to prehistoric timesMarnie Plummer is a bookish, lonely girl with a chip on her shoulder. Theres nothing she cares about more than her favorite book series, The Griffon Riders of Crystalfall. When it miraculously turns out that the world of the books is actually real, and they need a Chosen One to come from the real world and save them from danger, Marnie is shocked andof courseoverjoyed. Theres just one problem. The Chosen One they seek is not actually herits Tiffany